March 26th, 2015, Our product KYN28A-12(Ⅱ) has past internal arcing test in Lianning province High
Voltage Apparatus Quality Test Center.The test technical data is 31.5kA,0.5S. Tested parts include cable
compartment, handcart compartment, busbar compartment. The data is in conformity with the requirement
of State Grid Corporation and China Southern Power Grid. Its technical solution is also conform to the

requirements of lot manufacturing process.